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. 2022 Oct 12;13:957606. doi: 10.3389/fpls.2022.957606

Table 2.

Table indexing retention times, pigment groups, absorbance maxima of each peak, and %III/II ratios that were observed in the chromatogram of spinach leaves.

Peak nb RT Compounds Absorption maxima III/II Spectrum
min λ (nm) % quality
1 5.91 chl dev 468 600 654 NA +
2 7.86 chl dev 468 652 NA -
3 8.95 unknown - NA
4 9.70 chl dev 434 620 668 NA ++
5 10.40 unknown - NA
6 11.15 unknown - NA
7 12.18 car dev 440 NA -
8 12.45 chl dev 434 668 NA -
9 12.87 car dev 440 472 NA +
10 13.72 car dev 438 472 NA -
11 14.39 car dev 484 NA -
12 14.87 car dev 434 NA ++
13 15.02 car dev 432 458 28.7 +
14 15.49 car dev 440 470 94.3 ++
15 15.73 chl dev 420 666 NA -
16 16.37 9-cis-violaxanthin (VAZ) 436 464 87.4 ++
17 16.60 car dev 444 472 53.8 -
18 16.95 car dev 434 466 92.4 -
19 17.06 chl dev - NA
20 17.46 All-trans-neoxanthin (neo) 440 470 91.8 ++
21 17.76 unknown - NA
22 18.16 car dev 420 448 91.9 +
23 18.40 car dev 420 450 NA +
24 18.70 unknown - NA
25 19.10 unknown - NA
26 19.26 unknown - NA
27 19.62 car dev 442 468 63.8 +
28 20.05 car dev 436 462 61.9 +
29 20.25 car dev 436 462 NA -
30 21.18 car dev 446 NA -
31 21.44 lutein (lut) 446 474 63.0 ++
32 22.22 car dev - NA
33 22.87 chl dev 420 666 NA
34 23.13 antheraxanthin (VAZ) 446 474 57.7 +
35 23.25 all-trans-zeazanthin (VAZ) 450 478 30.9 +
36 23.46 chl dev 454 580 634 NA ++
37 23.67 unknown 454 NA
38 23.85 chl dev 454 632 NA -
39 23.90 unknown 454 NA -
40 24.16 chl dev 454 644 NA -
41 24.45 chl dev 434 660 NA -
42 24.65 chl dev 436 660 NA -
43 24.82 chl dev 468 600 652 NA ++
44 25.22 chl dev 470 654 NA -
45 25.36 chl dev 434 658 NA -
46 25.59 chl dev 420 664 NA -
47 26.49 chlorophyll b (chlb) 468 602 652 NA ++
48 26.83 chl dev 420 656 NA -
49 27.15 chl dev 468 602 652 NA ++
50 27.51 chl dev 434 668 NA
51 27.87 chl dev 428 666 NA
52 28.05 chl dev 664 NA
53 28.45 chl dev 432 620 666 NA ++
54 29.17 chl dev 430 618 664 NA +
55 29.47 chl dev 668 NA
56 30.31 unknown 474 NA -
57 30.73 chl dev 668 NA
58 31.24 chlorophyll a (chla) 432 618 666 NA ++
59 33.07 chl dev 432 618 666 NA ++
60 43.94 car dev - NA
61 52.21 α-carotene (α-car) 446 472 61.3 +
62 53.32 β-carotene (β-car) 456 476 13.6 +